Schedule Of Revenues By Product Lines (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Segment Reporting Information [Line Items]
Revenues	$ 192,141	$ 200,951	$ 391,531	$ 380,629
Systems And Solutions
Segment Reporting Information [Line Items]
Revenues	85,947	96,924	186,698	178,730
Printer And Media
Segment Reporting Information [Line Items]
Revenues	44,033	40,321	83,431	77,393
Branded Services [Member]
Segment Reporting Information [Line Items]
Revenues	32,174	33,120	65,158	66,524
Voice Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	$ 29,987	$ 30,586	$ 56,244	$ 57,982